Pioneer KEX-M8547ZT/EW Service Manual Download Page 39 | Manualshive

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KEX-M8547ZT/EW

39

5

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8

C

D

F

A

B

E

6.2 CASSETTE AND AUDIO ADJUSTMENT

-

Connection Diagram

BACK UP

ACC

GND

+13.2V

GND

DC Regulated
Power Supply

MAIN UNIT

CN353

FM/AM TUNER UNIT

VR561

VR302

mV
Meter

VR301

L-CH

R-CH

Pin2

Pin3

CN251

DECK UNIT

Extension Cord GGD1121

DOLBY B NR ADJUSTMENT

No.

Test Tape

Adjustment Point

Adjustment Method

(Switch

Position)

1

NCT-150

VR301(Lch), VR302(Rch)

mV Meter : - 8.24dBm 1dB

(400Hz, 200nwb/m)

(DOLBY NR Switch : OFF)

+

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Summary of Contents for KEX-M8547ZT/EW

Page 1: ...W CRT3321 RECEIVER ASSY RADIO KEX M8547ZT EW KEX M8547ZT 91 EW KEX M8647ZT EW KEX M8647ZT 91 EW VEHICLE DESTINATION PRODUCED AFTER OEM PARTS No ID No PIONEER MODEL No LAND CRUISER PRADO EUROPE August 2004 86120 60461 P3745 KEX M8547ZT EW LAND CRUISER PRADO EUROPE August 2004 86120 60461 P3745 KEX M8547ZT 91 EW LAND CRUISER PRADO EUROPE August 2004 86120 60451 P3746 KEX M8647ZT EW LAND CRUISER PRAD...

Page 2: ... Licensing Corporation Dolby and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation This service manual does not describe the CD test mode For the operations in the CD test mode refer to the CD player s service manual Supplementary model is identical to the original except for the addition of following items Description Polyethylene Bag Cover Carton Contain Box Air Cap ...

Page 3: ...curely When you find the procedures bearing any of the symbols be sure to fulfill them 2 Adjustments To keep the original performances of the product optimum adjustments or specification confirmation is indispensable In accordance with the procedures or instructions described in this manual adjustments should be performed 3 Cleaning For optical pickups tape deck heads lenses and mirrors used in pr...

Page 4: ...PCB CONNECTION DIAGRAM 22 4 1 MAIN UNIT 22 4 2 KEYBOARD UNIT KEX M8547ZT EW 26 4 3 KEYBOARD UNIT KEX M8647ZT EW 27 4 4 CASSETTE MECHANISM MODULE 28 5 ELECTRICAL PARTS LIST 30 6 ADJUSTMENT 38 6 1 JIG CONNECTION DIAGRAM 38 6 2 CASSETTE AND AUDIO ADJUSTMENT 39 6 3 SELF DIAGNOSIS FUNCTION 41 7 GENERAL INFORMATION 45 7 1 DIAGNOSIS 45 7 1 1 DISASSEMBLY 45 7 1 2 CONNECTOR FUNCTION DESCRIPTION 46 7 1 3 TR...

Page 5: ... ratio More than 40 dB FM tuner Frequency range 87 5 108 0 MHz Usable sensitivity Less than14 dBµV S N 30 dB Signal to noise ratio More than 46 dB 54dBµ input Distortion Less than 1 5 Digital noise Less than 25 mVp p 74 dBµ input MW tuner Frequency range 522 1 611 kHz Usable sensitivity 34 dBµV S N 20 dB Selectivity More than 20 dB 9 kHz Signal to noise ratio More than 42 dB 74 dBµ input Distortio...

Page 6: ...rked by are generally unavailable because they are not in our Master Spare Parts List Screw adjacent to mark on the product are used for disassembly For the applying amount of lobricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate ...

Page 7: ...able 2 30 Button See Contrast table 2 31 Button See Contrast table 2 32 Cushion CNM9194 33 Rubber CNV6939 34 Lighting Conductor CNV6942 35 Lighting Conductor CNV6943 36 Lighting Conductor CNV6944 37 Lighting Conductor CNV6948 38 Holder CNV6951 39 Holder CNV6952 40 Holder CNV6953 41 Keyboard Unit See Contrast table 2 42 Socket CN901 CKS3552 43 Knob Unit TUNE PWR VOL CXB7979 44 Grille Unit See Contr...

Page 8: ...KEX M8547ZT EW 8 1 2 3 4 1 2 3 4 C D F A B E 2 2 CASSETTE MECHANISM MODULE C D For grease application refer to the service manual for CX 1011 CRT2406 ...

Page 9: ...9 28 Gear ENV1547 29 Gear ENR1044 30 Worm Wheel ENV1559 31 Lever ENV1551 32 Flywheel ENV1607 33 Gathering PCB ENX1073 34 Switch S101 S102 S103 ESG1007 35 Deck Unit EWM1031 36 Plug CN251 CKS3540 37 Gathering PCB ENX1066 38 Motor Unit M1 EXA1618 39 Motor EXM1035 40 Head Assy HD1 EXA1594 41 Arm ENC1537 42 Screw EBA1031 43 Bracket ENC1559 44 Chassis Unit EXA1636 45 Pinch Holder Unit EXA1608 46 Pinch R...

Page 10: ... IC562 NJM2068MD 1 7 2 5 16 13 15 14 6 9 SBSD SBSL SBCK SBDI SBDO SBCE Q172 Q565 BU AUD B Q171 Q182 Q141 Q181 24 FMLOC Q146 FM TUNER UNIT 1 7 SFMANT SCMP 32 PDI A B 1 AUD B COMP B Q566 10 STUNB COMP B SSL SSD SSL spck SCE SDATA ST creq MSD PCE1 PCE2 PDIO pck Q121 FM SUB ANT DIV IC151 LA1061M Q161 6 5 13 1 Q126 FM MAIN ANT DIV IC501 LA1061M Q501 6 5 13 1 MAIN SUB 1 2 D C C D NL2I NL1 SDBW MSL CN251...

Page 11: ...BU VDD 73 2 asens bsens ISENS Q807 ASEN ACC Q805 ISEN ILL 75 Q806 BSEN BU AMP AUD B Q453 Q645 Q644 11 SWVDD VDD SW5V Q451 Q452 Q882 BU Q884 AUDIO SELECTOR FOR AMP AUDIO SELECTOR FOR RSA RDS DECODER TUNER MIXING AMP UNBALANCE TO BALANCE UNBALANCE TO BALANCE BALANCE TO UNBALANCE SYSTEM MUTE SYSTEM MUTE 5R6V IC 1 6 7 6 3 7 6 7 6 FML AM 6 L LANLP LANLM CSL TUL LANL TUL CSL FMB AMB FMB AMB 32 PDI VDD Q...

Page 12: ...diagram Guide page Detailed page Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A KISYU VCC NC NC SHIMUKE sysmute sysmute SWVDD NC NC NC SPDI spck SPDO SCE SCPON SSD f R SSL MSL C CN251 B CN901 FM TUNER UNIT FM AM TUNER UNIT SYSTEM CONTROLLER RDS MUTE RDS DECODER ...

Page 13: ...Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors ILL SENSE B UP SENSE ACC SENSE R R L L RSA L L AMP UNBALANCE TO BALANCE SYSTEM MUTE SYSTEM MUTE UNBALANCE TO BALANCE TUNER MIXING AMP BALANCE TO UNBALANCE AUDIO SELECTOR FOR AMP AUDIO SELECT...

Page 14: ...KEX M8547ZT EW 14 1 2 3 4 1 2 3 4 C D F A B E A a A b A a A a A b 1 NC NC NC SPDI spck SPDO SCE SCPON SSD FM TUNER UNIT FM AM TUNER UNIT TUNER MIXI RDS MUTE ...

Page 15: ... EW 15 5 6 7 8 5 6 7 8 C D F A B E A a A b A a A a A b 2 3 4 5 6 7 KISYU VCC NC NC SHIMUKE sysmute sysmute SWVDD NC NC NC SPDI spck SPDO SCE SCPON SSD f R SSL MSL C CN251 B CN901 NOT SYSTEM CONTROLLER RDS DECODER ...

Page 16: ... MAIN UNIT R R L L RSA L L AMP UNBALANCE TO BALANCE SYSTEM MUTE SYSTEM MUTE UNBALANCE TO BALANCE TUNER MIXING AMP BALANCE TO UNBALANCE AUDIO SELECTOR FOR AMP AUDIO SELECTOR FOR RSA VDD 5V HARD MUTE FM 9 5dBs AM 13 4dBs TAPE 7 5dBs FM 9 5dBs AM 13 4dBs TAPE 7 5dBs ...

Page 17: ...s the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors ILL SENSE B UP SENSE ACC SENSE VDD 5V HARD MUTE FM 3 8dBs AM 7 7dBs T...

Page 18: ...KEX M8547ZT EW 18 1 2 3 4 1 2 3 4 C D F A B E 3 3 KEYBOARD UNIT B R KEX M8647ZT EW L KEX M8547ZT EW PWR VOL PWR VOL A CN804 ...

Page 19: ... E B B KEYBOARD UNIT 8V 85mA 8V 85mA 8V 85mA 8V 85mA 8V 85mA 8V 85mA S905 S907 S909 S911 L FM AM SEEK TRACK SEEK TRACK R TAPE DISC CH PROG DISC CH PROG DISC S906 S908 S910 S912 R FM AM SEEK TRACK SEEK TRACK L TAPE DISC CH PROG DISC CH PROG DISC ...

Page 20: ...594 TEST TAPE NCT 150 400Hz 200nWb m RL RR FR FL C302 R1 VR302 33K B 8 24dBs 300mV 1dB Fwd R Fwd L Rev R Rev L NFI L RIN L RIP FIN L GND GND FIN R VREF RIN R NFI R M OUT R EQOUT R TAI R BIAS RAI R PBOUT R DET L MUTE MSGV R MAOUT MSI MSDET MSGV F R 120 70 NR MOUT L EQOUT L TAI L NC RAI L PBOUT L NC DET L MSGV S CN252 CN251 DOLBY B NR IC251 VR301 33K B C310 R1 C309 R1 R321 0R0 VCC CCP1280 CCP1280 NC...

Page 21: ...2 300 C351 R22 C353 R01 C354 R01 R374 0R0 C356 R01 C355 R1 D352 1SS355 M1 MOTOR UNIT MAIN MOTOR EXA1618 S101 LOAD ESG1007x3 S102 MODE Q101 EGN1004 M2 MOTOR UNIT SUB MOTOR EXA1660 RS3 RS2 RS1 SC2 SC1 TAB MC CE VCC2 NC VCC MCS RRS FRS RSB C TAB MS2 NC NC MM SM1 RSB GND RS mtl MCS load CN255 CN253 CN256 CN254 MECHANISM DRIVER IC351 PA2020B R321 0R0 R375 0R0 S103 70 s R276 100K R01 C403 R022 R274 0R0 ...

Page 22: ...ard Chip Part A A MAIN UNIT SIDE B SIDE A NOTE FOR PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram 2 Viewpoint of PCB diagrams ADJ ANTENNA FM AM TUNER UNIT FM TUNER UN ...

Page 23: ...KEX M8547ZT EW 23 5 6 7 8 5 6 7 8 C D F A B E A SIDE A FRONT B CN901 C CN251 CAR HARNESS CAR HARNESS CAR HARNESS M TUNER UNIT ...

Page 24: ...KEX M8547ZT EW 24 1 2 3 4 1 2 3 4 C D F A B E A A MAIN UNIT ...

Page 25: ...KEX M8547ZT EW 25 5 6 7 8 5 6 7 8 C D F A B E A SIDE B ...

Page 26: ...ZT EW 26 1 2 3 4 1 2 3 4 C D F A B E 4 2 KEYBOARD UNIT KEX M8547ZT EW B B KEYBOARD UNIT B KEYBOARD UNIT SIDE A SIDE B A CN804 TA TUNE DISC SEEK TRACK SEEK TRACK TAPE FM AM EJECT PWR VOL CH PROG DISC CH PROG DISC ...

Page 27: ...ZT EW 27 5 6 7 8 5 6 7 8 C D F A B E 4 3 KEYBOARD UNIT KEX M8647ZT EW B B KEYBOARD UNIT B KEYBOARD UNIT SIDE A SIDE B A CN804 EJECT PWR VOL AM SEEK TRACK SEEK TRACK FM TAPE DISC TA TUNE CH PROG DISC CH PROG DISC ...

Page 28: ...E 4 4 CASSETTE MECHANISM MODULE C C DECK UNIT C DECK UNIT SIDE A SIDE B C321 C271 19 17 15 13 11 9 7 5 3 1 16 14 12 10 8 6 4 2 20 18 CN251 IC Q IC251 Q351 Q352 ADJ VR302 VR301 IC253 CN252 CN254 CN253 CN255 M1 M2 HEAD ASSY 21 22 A CN353 1 D CN256 ...

Page 29: ...KEX M8547ZT EW 29 5 6 7 8 5 6 7 8 C D F A B E D D SENSOR UNIT 1 2 3 4 5 6 S101 LOAD S102 MODE S103 70µs CN256 Q101 REEL SENSE L101 L102 C CN253 ...

Page 30: ... Transistor DTC144EU Q 302 Transistor DTC144EU Q 303 Transistor DTC144EU Q 304 Transistor FMG13 Q 305 Transistor FMG13 Q 401 Transistor IMX1 Q 402 Transistor FMG13 Q 403 Transistor FMG13 Q 404 Transistor DTA114EU Q 405 Transistor DTC143TU Q 406 Transistor IMH3A Q 451 Transistor 2SB1260 Q 452 Transistor 2SC2712 Q 453 Transistor 2SC2712 Q 497 Transistor DTC114EU Q 501 Transistor IMX1 Q 502 Transisto...

Page 31: ... Inductor CTF1578 L 492 Inductor CTF1578 L 501 Inductor LCTA4R7J2520 L 507 Inductor CTF1409 L 508 Inductor CTF1409 L 509 Inductor CTF1409 L 510 Inductor LCTA561J4532 L 511 Inductor CTF1473 L 512 Inductor LCTA1R0J2520 L 513 Inductor CTF1473 Circuit Symbol and No Part No L 514 Inductor CTF1473 L 561 Inductor CTF1473 L 601 Inductor LCTA100J3225 L 801 Coil 350µH CTH1276 T 121 Coil CTC1187 T 126 Coil C...

Page 32: ...73J R 235 RS1 16S473J R 237 RS1 16S473J R 238 RS1 16S473J R 239 RS1 16S473J R 240 RS1 16S473J Circuit Symbol and No Part No R 241 RS1 16S222J R 243 RS1 10S103J R 244 RS1 10S103J R 245 RS1 10S103J R 246 RS1 10S103J R 247 RS1 16S223J R 248 RS1 16S223J R 249 RS1 16S223J R 250 RS1 16S223J R 251 RS1 16S153J R 252 RS1 16S474J R 253 RS1 16S681J R 254 RS1 16S0R0J R 257 RS1 16S102J R 261 RS1 16S225J R 285 ...

Page 33: ... RS1 16S104J R 562 RS1 16S123J R 563 RS1 16S105J R 564 RS1 16S562J R 565 RS1 16S223J Circuit Symbol and No Part No R 566 RS1 16S222J R 567 RS1 16S822J R 568 RS1 16S222J R 569 RS1 16S164J R 570 RS1 16S223J R 571 RS1 16S473J R 572 RS1 16S472J R 573 RS1 16S332J R 574 RS1 16S332J R 575 RS1 16S332J R 576 RS1 16S683J R 577 RS1 16S332J R 578 RS1 16S683J R 579 RS1 16S221J R 580 RS1 16S221J R 581 RS1 16S68...

Page 34: ...R 835 RS1 16S221J R 836 RS1 16S331J R 837 RS1 16S681J R 838 RS1 16S471J R 839 RS1 16S151J Circuit Symbol and No Part No R 840 RS1 4S1R5J R 841 RS1 4S1R5J R 844 RS1 16S471J R 846 RS1 16S105J R 847 RS1 10S361J R 848 RS1 16S272J R 849 RS1 16S392J R 856 RS1 16S103J R 857 RS1 16S103J R 860 RS1 16S223J R 861 RS1 16S103J R 862 RS1 16S104J R 863 RS1 16S223J R 865 RS1 16S103J R 867 RS1 16S472J R 868 RS1 16...

Page 35: ...254 CKSRYB104K16 C 256 CCSRCH270J50 C 257 CCSRCH270J50 C 259 CKSRYB104K16 C 260 CCSRCH471J50 Circuit Symbol and No Part No C 261 CCSRCH471J50 C 262 CEJQ4R7M35 C 263 CKSRYB473K50 C 281 CKSRYB182K50 C 282 CKSRYB182K50 C 283 CKSRYB182K50 C 284 CKSRYB182K50 C 285 CCSRCH391J50 C 286 CCSRCH391J50 C 309 CKSRYB102K50 C 310 CKSRYB105K10 C 319 CCSRCH220J50 C 320 CCSRCH220J50 C 321 CCSRCH220J50 C 322 CCSRCH2...

Page 36: ... 695 CKSRYB102K50 C 696 CKSRYB102K50 C 697 CKSRYB102K50 Circuit Symbol and No Part No C 701 CKSRYB103K50 C 703 CCSRCH221J50 C 704 CCSRCH221J50 C 801 CKSRYB102K50 C 802 CEJQ1R0M50 C 803 CKSRYB102K50 C 804 2200µF 16V CCH1405 P35 C 805 CKSQYB473K50 C 806 CKSRYB102K50 C 807 CEJQ1R0M50 C 808 CKSRYB102K50 C 814 CEJQ1R0M50 C 815 CEJQ1R0M50 C 821 CKSRYB103K50 C 822 100µF 10V CCH1402 C 823 CKSRYB103K50 C 8...

Page 37: ...2J R 353 RS1 16S102J R 354 RS1 16S102J R 355 RS1 16S274J R 362 RS1 8S301J R 373 RS1 16S0R0J R 374 RS1 8S0R0J R 375 RS1 8S0R0J R 401 RS1 16S153J R 402 RS1 16S332J R 403 RS1 16S911J R 404 RS1 16S274J Circuit Symbol and No Part No CAPACITORS C 251 CKSRYB391K50 C 252 CKSRYB391K50 C 253 CKSRYB391K50 C 254 CKSRYB391K50 C 255 CKSRYB103K50 C 256 CKSRYB103K50 C 271 1µF 50V ECH0002 C 272 CKSRYB104K25 C 301 ...

Page 38: ...let connector SP Line Bullet connector To DC Regulated Power Supply H U EMV DENSO 24P 12P 20P 6P 28P 26P 10P 18P 24P 18P 10P 28P 26P 12P 20P 20P 25P 16P 16P 20P 25P GGD1240 AUI AUI FR FR 12P GGD1346 AMP MCD NAVI ECU A W 12P MCD CDX M8086ZT E L 32P Bullet connector To DC Regulated Power Supply Please don t connect the MCD L and MCD R at the same time Connection Diagram TOYOTA EMV SYSTEM MODEL Non c...

Page 39: ... GND DC Regulated Power Supply MAIN UNIT CN353 FM AM TUNER UNIT VR561 VR302 mV Meter VR301 L CH R CH Pin2 Pin3 CN251 DECK UNIT Extension Cord GGD1121 DOLBY B NR ADJUSTMENT No Test Tape Adjustment Point Adjustment Method Switch Position 1 NCT 150 VR301 Lch VR302 Rch mV Meter 8 24dBm 1dB 400Hz 200nwb m DOLBY NR Switch OFF ...

Page 40: ... dBµV EMF 2 Tune a RADIO to the 999kHz with 1 condition 3 Mix signal with the above mentioned pulse and SSG moduration OFF 4 Variable resistance adjust noise level to a minimum Adjustment point VR561 Pulse generator equivalent to HP8011A SSG 2 signal pad AM dummy KEX M8406ZT KEX M9406ZT Output Noise meter Pulse width 50µsec Pulse intervals 5msec Pulse voltage 4Vp p 4Vp p EMF 50us 5ms AM NOISE CANC...

Page 41: ...e position of A and B is order of pushed 6 times in A B A B A and B Service Check screen is displayed As it is it waits for a while In general less than 1 minute DISPLAY Display Frame of display adjustment Audio mode The name of each apparatus such as an Audio H U is displayed B A 2 Service Check Service Check EMV Audio H U DSP AMP CD CH LAN Monitor ...

Page 42: ... is judged to be necessary is entered EXCH An error code indicating that exchange is judged to be necessary is entered ACC OFF Unit Check Mode Audio H U Current Memory 61 40 Occurred Date Time When displayed as CHEK or EXCH details will be displayed if the portion is touched It changes on the screen which displays the abnormalities on communication The detected abnormalities Diagnosis code are dis...

Page 43: ...n no response Last mode abnormal Command order no response Mode status abnormal Transmission fault Master reset Slave reset Master abnormal Registration completion acknowledgement error Voice processor ON abnormal ON OFF command or parameter abnormal Registration command transmission Multiple frames intermit Diagnosis no response 00 01 10 11 12 13 20 21 22 23 24 25 26 27 28 29 2A 30 31 D0 D1 D2 D4...

Page 44: ...unication error SSDEC communication error SSDEC no response NVM error CAP error No antenna connected Antenna short circuited Disc unreadable DVD abnormal EJECT abnormal Scratches or non recorded side DVD high temperature detected Excessive current detected Tray IN OUT abnormal Elevator abnormal 11 12 13 14 15 16 40 41 42 44 45 46 47 48 50 51 XM C0H DVD CH 45H ...

Page 45: ...tte Mechanism Module 1 1 1 1 Fig 3 Main Unit Removing the Main Unit Fig 3 Straighten the tabs at two locations indicated 1 Remove the four screws and then remove the Cassette Mechanism Module 2 Remove the two screws and then remove the Grille Assy 2 2 1 1 Remove the two screws 2 Remove the two screws and then remove the Main Unit 3 3 3 Fig 1 Removing the Front Frame Fig 2 Remove the three screws a...

Page 46: ...B E 7 1 2 CONNECTOR FUNCTION DESCRIPTION SLD GND L L R R MUTE NC NC TX TX NC NC NC AMP B ANT B ILL BU ACC ILL NC TX TX ACC BU MUTE L R R SGND GND L NC NC TX RSR RMU RSL SW2 CMP RSL CMP SWG RSR SLD NC NC NC NC NC SW1 TX SUB ANTENNA MAIN ANTENNA ...

Page 47: ...ES Is any sound of FM AM and TAPE internal sources output NO Connect amp correctly YES Is VOL adjustment enabled NO Check encoder input ENC1 Pin 65 IC601 ENC1 Pin 63 IC601 YES Normal operation NO Check the following terminals SYSPW Pin 1 IC601 sysmute2 Pin 5 IC601 sysmute1 Pin 6 IC601 YES Are FM and AM sounds output NO Check the following terminals FMPW Pin 43 IC601 AMPW Pin 44 IC601 YES Is TAPE s...

Page 48: ...h a output for RSE O Selector switch b output for RSE 24 NC Not used Sub tuner data output 25 SEL2b O 26 SHIMUKE 27 SEL1a O I I Selector switch a output for AMP 28 SEL1b O O Selector switch b output for AMP 29 RX1 BUS 30 TX BUS 31 PDO O PLL data output 32 PDI I PLL data input 33 pck O O PLL data clock output O 34 NC Not used 35 SPDO 39 SCPON O I Sub tuner power supply control output O 40 SSD Sub t...

Page 49: ... I METAL input 83 NR O I I Dolby B NR ON OFF output 84 CSLOAD Tape loading detect input 85 POS Position sense input 86 ES I O Tape end detect input 87 88 SC2 1 O Sub motor control output 2 1 89 CM Capstan control output I I I I I I I I I 90 stby O Tape stand by output O 91 NL1 Noise level input 92 SSL Sub tuner signal level input 93 MSL Main tuner signal level input 94 ILL Illumination input 95 ST...

Page 50: ...ble Active at High To be grounded at 47kΩ 17 AMPNS AM PNS IF signal IF signal output for AM PNS circuit 18 LDET O lock detector Active at Low To be pulled up to the VDD at 47kΩ 19 CREQ I current request Active at Low To be grounded at 47kΩ 20 AMINI AM audio input The frequency response and the level are set by connecting an external CR network with terminal AMIN as terminal AMDET r in 50kΩ 21 COMP...

Page 51: ...6 7 8 5 6 7 8 C D F A B E 7 3 EXPLANATION 7 3 1 SYSTEM BLOCK DIAGRAM B ACC AVC LAN L R AVC LAN L R AMPLIFIER PIONEER SPEAKER 1DIN HEAD UNIT AVC LAN B ACC CD CH EMV OTHER MAKERS AVC LAN PIONEER KEX M8547ZT EW KEX M8647ZT EW ...

Page 52: ... 3 2 OPERATIONAL FLOW CHART VCC 5V Pin 16 62 Power ON bsens L asens L YES bsens Pin 75 asens Pin 73 SYSPWR H Pin 1 IPPW H Pin 22 SWVDD H Pin 11 Source keys operative Completes power on operation After that proceed to each source operation Source ON ...

Page 53: ... C D F A B E 7 4 CLEANING Before shipping out the product be sure to clean the following portions by using the prescribed cleaning tools Portions to be cleaned Cleaning tools Cassette heads Pinch rollers Capstans Cleaning paper GED 008 ...

Page 54: ...EX M8547 ZT EW KEX M8547 ZT EW KEX M8547 MANUAL TUNING POWER ON OFF VOLUME AM SEEK UP DOWN FM DISC SELECT CD DVD DIRECTION CHANGE TAPE AUTO PROGRAM SEARCH TRACK SELECT EJECT TRAFFIC ANNOUNCEMENT POWER ON OFF VOLUME POWER ON OFF VOLUME KEX M8547ZT EW RADIO CD DVD TAPE ...

Page 55: ...47 ZT EW KEX M8647 ZT EW KEX M8647 MANUAL TUNING POWER ON OFF VOLUME AM SEEK UP DOWN FM DISC SELECT CD DVD DIRECTION CHANGE TAPE AUTO PROGRAM SEARCH TRACK SELECT EJECT TRAFFIC ANNOUNCEMENT POWER ON OFF VOLUME POWER ON OFF VOLUME KEX M8647ZT EW RADIO CD DVD TAPE ...

Page 56: ...sion cord Extension cord Test tape Cleaning paper GGD1169 GGD1240 GGD1304 GGD1346 GGD1121 NCT 150 GED 008 Adjustment j Adjustment j Adjustment j Adjustment j Cassette mechanism module adjustment j Cassette mechanism module adjustment Cleaning cassette heads pinch rollers and capstans Name Jig No Remarks g j ...

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